Home / 1,287,783.73-1,777,148.43-804,629.08

Finding the Fourth Proportional to 1,287,783.73, 1,777,148.43 and 804,629.08

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Solution

The fourth proportional to 1,287,783.73, 1,777,148.43 and 804,629.08 is: 1,110,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,783.73 : 1,777,148.43 = 804,629.08 : x
  2. Step 2: Convert to fraction form
    1,287,783.73/1,777,148.43 = 804,629.08/x
  3. Step 3: Cross multiply
    1,287,783.73x = 1,777,148.43 × 804,629.08
  4. Step 4: Simplify right side
    1,287,783.73x = 1,429,945,306,254.34
  5. Step 5: Solve for x
    x = 1,429,945,306,254.34/1,287,783.73
  6. Step 6: Final answer
    x = 1,110,392.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.